"metagallate" meaning in English

{
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        "2": "meta",
        "3": "gallate"
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      "expansion": "meta- + gallate",
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  ],
  "etymology_text": "meta- + gallate",
  "forms": [
    {
      "form": "metagallates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "metagallate (plural metagallates)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
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            "Sciences",
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          "source": "w"
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      ],
      "glosses": [
        "Any salt of metagallic acid"
      ],
      "id": "en-metagallate-en-noun-goNn4n9e",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "salt",
          "salt"
        ],
        [
          "metagallic acid",
          "metagallic acid"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any salt of metagallic acid"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "metagallate"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "meta",
        "3": "gallate"
      },
      "expansion": "meta- + gallate",
      "name": "prefix"
    }
  ],
  "etymology_text": "meta- + gallate",
  "forms": [
    {
      "form": "metagallates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "metagallate (plural metagallates)",
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  ],
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Any salt of metagallic acid"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "salt",
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        ],
        [
          "metagallic acid",
          "metagallic acid"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any salt of metagallic acid"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
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  "word": "metagallate"
}